Species Pseudofrankia inefficax

Name: Pseudofrankia inefficax (Nouioui et al. 2017) Gtari 2023

Category, proposed as: species, comb. nov.

Basonym: Frankia inefficax Nouioui et al. 2017

Etymology: in.ef’fi.cax. L. fem. adj. inefficax, inefficient in reference to the inability of the bacterium to form the effective nitrogen-fixing symbiosis with its plant host

Pronunciation (Latin), gender: pse͡u-do-FRAN-ki-a in-EF-fi-kax, feminine

Type strain: CECT 9037; DSM 45817; EuI1c

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KX695197 Analyse FASTA

Effective publication: Gtari M. Taxogenomic status of phylogenetically distant Frankia clusters warrants their elevation to the rank of genus: A description of Protofrankia gen. nov., Parafrankia gen. nov., and Pseudofrankia gen. nov. as three novel genera within the family Frankiaceae. Front Microbiol 2022; 13:1041425. 🇹🇳

IJSEM list: Oren A, Göker M. Validation list no. 210. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2023; 73:5812.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Frankia inefficax Nouioui et al. 2017

Risk group: 1

• Synonyms:

  • Name	Kind
    Frankia inefficax Nouioui et al. 2017	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Pseudofrankia Gtari 2023. Publication: Gtari M. Taxogenomic status of phylogenetically distant Frankia clusters warrants their elevation to the rank of genus: A description of Protofrankia gen. nov., Parafrankia gen. nov., and Pseudofrankia gen. nov. as three novel genera within the family Frankiaceae. Front Microbiol 2022; 13:1041425. 🇹🇳
  • ❗ Pseudofrankia inefficax is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Pseudofrankia.
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 1 time in PubMed until 2026-06-11.

Parent taxon: Pseudofrankia Gtari 2023

Assigned by: Gtari M. Taxogenomic status of phylogenetically distant Frankia clusters warrants their elevation to the rank of genus: A description of Protofrankia gen. nov., Parafrankia gen. nov., and Pseudofrankia gen. nov. as three novel genera within the family Frankiaceae. Front Microbiol 2022; 13:1041425. 🇹🇳

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.37241Copy to clipboardLink copied to clipboard

Record number: 37241